2-methylbutane (C₅H₁₂)

One of the isomers of pentane, used as a solvent.

Arginine

One of the twenty protein-building amino acids.

Medieval town in Central Europe

Narrow streets and colourful houses gave medieval towns a special...

Tryptophan

One of the 20 amino acids that make up proteins. It contains an...

Germanic warrior (4th century)

Dreaded Germanic warriors spreading out from Northern Europe...

Rococo castle (Fertőd, Hungary)

The palace and park complex is Hungary´s grandest Rococo edifice,...

Tactics of the Hungarian raiders (9th-10th centuries)

The tactics of the Hungarian light cavalry included pretending to...

Fortress of Szigliget (17th century, Hungary)

The fortress was a member of the chain of fortifications built to...

Hydrogen (H₂)

Colourless, odourless, lighter-than-air gas. The most common...

Carbamide (urea) (CO(NH₂)₂)

An organic compound in the urine of mammals, used in the...

Tyrosine

One of the 20 amino acids that make up proteins. It contains an...

Proline

One of the 20 amino acids that make up proteins. Its amino group...

Methionine

A sulphur-containing amino acid.

Isoleucine

One of the 20 amino acids that make up proteins.

Methyl formate (C₂H₄O₂)

The ester of formic acid and methanol, an aroma compound found in...

Serine

One of the 20 amino acids that make up proteins.

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